[patch 051/128] mm/page-writeback.c: remove unused variable

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From: Chao Yu <yuchao0@xxxxxxxxxx>
Subject: mm/page-writeback.c: remove unused variable

Commit 64081362e8ff ("mm/page-writeback.c: fix range_cyclic writeback
vs writepages deadlock") left unused variable, remove it.

Link: http://lkml.kernel.org/r/20200528033740.17269-1-yuchao0@xxxxxxxxxx
Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/page-writeback.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/mm/page-writeback.c~writeback-remove-unused-variable
+++ a/mm/page-writeback.c
@@ -2164,7 +2164,6 @@ int write_cache_pages(struct address_spa
 	int error;
 	struct pagevec pvec;
 	int nr_pages;
-	pgoff_t uninitialized_var(writeback_index);
 	pgoff_t index;
 	pgoff_t end;		/* Inclusive */
 	pgoff_t done_index;
@@ -2173,8 +2172,7 @@ int write_cache_pages(struct address_spa
 
 	pagevec_init(&pvec);
 	if (wbc->range_cyclic) {
-		writeback_index = mapping->writeback_index; /* prev offset */
-		index = writeback_index;
+		index = mapping->writeback_index; /* prev offset */
 		end = -1;
 	} else {
 		index = wbc->range_start >> PAGE_SHIFT;
_



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